/*
* ====================
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008-2009 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of the Common Development
* and Distribution License("CDDL") (the "License"). You may not use this file
* except in compliance with the License.
*
* You can obtain a copy of the License at
* http://opensource.org/licenses/cddl1.php
* See the License for the specific language governing permissions and limitations
* under the License.
*
* When distributing the Covered Code, include this CDDL Header Notice in each file
* and include the License file at http://opensource.org/licenses/cddl1.php.
* If applicable, add the following below this CDDL Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyrighted [year] [name of copyright owner]"
* ====================
* Portions Copyrighted 2014 ForgeRock AS.
*/
package org.identityconnectors.framework.common.objects.filter;
import java.util.Collection;
import java.util.LinkedList;
import org.identityconnectors.common.CollectionUtil;
import org.identityconnectors.framework.common.objects.ConnectorObject;
public final class OrFilter extends CompositeFilter {
/**
* Left side of a composite based filter.
*/
private LinkedList<Filter> subFilters;
/**
* Takes the result of the left and right filter and ORs them.
*/
public OrFilter(final Filter left, final Filter right) {
this(CollectionUtil.newList(left, right));
}
public OrFilter(final Collection<Filter> filters) {
super(null, null);
subFilters = new LinkedList<Filter>(filters);
}
/**
* Takes the result from the left and ORs it w/ the right filter.
*
* @see Filter#accept(ConnectorObject)
*/
public boolean accept(final ConnectorObject obj) {
boolean result = false;
for (final Filter subFilter : subFilters) {
result = subFilter.accept(obj);
if (result) {
break;
}
}
return result;
}
public <R, P> R accept(FilterVisitor<R, P> v, P p) {
return v.visitOrFilter(p, this);
}
@Override
public Filter getLeft() {
return subFilters.getFirst();
}
@Override
public Filter getRight() {
if (subFilters.size() > 2) {
final LinkedList<Filter> right = new LinkedList<Filter>(subFilters);
right.removeFirst();
return new AndFilter(right);
} else if (subFilters.size() == 2 ){
return subFilters.getLast();
} else {
return null;
}
}
public Collection<Filter> getFilters() {
return CollectionUtil.asReadOnlyList(subFilters);
}
@Override
public String toString() {
final StringBuilder builder = new StringBuilder().append('(');
boolean isFirst = true;
for (final Filter subFilter : subFilters) {
if (isFirst) {
isFirst = false;
} else {
builder.append(" or ");
}
builder.append(subFilter);
}
return builder.append(')').toString();
}
}